Your Door NEEDS this Upgrade! DIY $40 Fingerprint Lock!
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I tried finding Hidden Gems on AliExpress AGAIN! (Part 13)
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I tried to Revolutionize LED Lights!.....And FAILED?
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Build a Raspberry Pi Smart Door Lock Security System for your Smart Home!
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The Dark Secret of Smart Sockets and How I Fixed it! (DIY or Buy)
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Making another pickproof lock (but better)
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Make Dumb Electronics Smart for $3
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Ingenious Construction Workers That Are at Another Level
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